When the hub velocity slows down, plus the outer race is still transferring faster compared to the hub, the rollers move down the cams, releasing the outer race through the hub. Hence the outer race moves independently of your hub as well as the unit functions to be a roller https://clutchplate65207.izrablog.com/33553849/the-smart-trick-of-clutch-kereta-that-no-one-is-discussing